/Engine/Plugins/Experimental/Mutable/Source/MutableRuntime/Public/MuR/System.h
Returns the completion event and a cleanup function that must be called once event is completed.
[TTuple](API\Runtime\Core\Misc\TTuple)< FGraphEventRef, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void()> > GetImageAsync ( [FName](API\Runtime\Core\UObject\FName) Id, uint8 MipmapsToSkip, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< void([Ptr](API\Plugins\CustomizableObject\MuCO\Ptr)< [Image](API\Plugins\MutableRuntime\MuR\Image) >)> & ResultCallback )